<template>
  <div>
    <div class="search">
      <input class="search-input" type="text" v-model="keyword" placeholder="请输入城市名或拼音">
    </div>
    <div class="search-content" v-show="keyword" ref="search-content">
      <ul>
        <li
          class="search-item"
          v-for="item of list"
          :key="item.id"
          @click="handleCityClick(item.name)"
        >{{item.name}}</li>
        <li class="search-item" v-show="!list.length">没有找到匹配数据</li>
      </ul>
    </div>
  </div>
</template>
<script>
import Bscroll from 'better-scroll'
export default {
  name: 'CitySearch',
  props: {
    cities: Object
  },
  data () {
    return {
      keyword: '',
      list: [],
      timer: null
    }
  },
  watch: {
    keyword () {
      if (this.timer) {
        setTimeout(this.timer)
      }
      this.timer = setTimeout(() => {
        const result = []
        if (!this.keyword) {
          this.list = []
          return
        }
        for (let i in this.cities) {
          this.cities[i].forEach((value) => {
            if (value.spell.indexOf(this.keyword) !== -1 || value.name.indexOf(this.keyword) !== -1) {
              result.push(value)
            }
          })
        }
        this.list = result
      }, 100)
    }
  },
  methods: {
    handleCityClick (city) {
      this.$store.commit('cityChange', city)
      this.$router.push('/')
    }
  },
  mounted () {
    this.scroll = new Bscroll(this.$refs['search-content'])
  }
}
</script>
<style lang="stylus" scoped>
  @import '~styles/varibles.styl'
  .search
    height .72rem
    background-color $bgColor
    padding 0 .1rem
    .search-input
      box-sizing border-box
      width 100%
      height .62rem
      border-radius .06rem
      text-align center
      color #666
      padding 0 .2rem
  .search-content
    overflow hidden
    z-index 1
    position absolute
    top 1.58rem
    left 0
    right 0
    bottom 0
    background-color #eeeeee
    .search-item
      line-height .62rem
      padding-left .2rem
      color #666
      background-color #ffffff
</style>
